Dry dressing substance



T 2 ing substances can directly act to an increased '3. Adrydressingcomposition comprising about Patented Jan. 22, 1935 v 1,988,757

UNITED STATES, PATIENT OFFICE DRY nnass fiiz s uasranca I Adolf Steindorfl, Heinrich Biiasner, and Kaspar Pfafl, Frankiort-on-the-Main, Germany, assignora to Winthrop Chemical Company, Ina,v New York, N. Y., a corporation of New York No Drawing. Application October 19, 1931, Serial No. 569,850. In Germany October 28, 1930 8 Claims. (CL 167-38) The present invention relates to dry dressing .we claim: I substances. p 1. A dry dressing composition comprising about We have found that valuable dressing sub- 3-8 parts of a compound a fungicidal stances are obtained by mixing the usual dry action and about 2-5 parts of a water-soluble 5 dressing substances with small quantities of liquid compound of the formula R.O.R' wherein liquid, high-boiling, water-soluble organic sub- It stands for an aliphatic hydrocarbon radical stances; the dressing materials so obtained have which may be substituted by hydrowl, ongen, considerable advantages over the ordinary dry chlorine or O-acyl, and R stands for hydrogen, dressing substances. By the addition of these hydroxyl, alkyl, NH-alkyl or acyl, said compound water-soluble, organic substances the nuisance possessing a boiling point above 125 C. and havcaused by the tendency oi the dry dressing mateing the property of binding or laying dust, the rial to emit dust is obviated; this could hitherto rest of the composition being an inert diluent. only be obtained by adding oil to the material. 2. A dry dressing composition comprising But in comparison with this known use of oil, about3- 8parts oi acompound possessingaiungithe use of dry dressing substances mixed with cidal action and about2-5partsoiawater-soluble water-soluble, high-boiling (i. e. boiling above liquid polyvalent alcohol having a boiling point 125 0.), liquid organic substances as herein deabove 125 C. and the property of binding. or scribed involves the essential advantage that, after laying dust, the rest of the composition being an the dressed seed grains have been sown, the dressinert diluent.

extentin the soil on access of the moisture, where- 3-8 parts oi a compound possessing a fungicidal as by the addition of oil the water is at first reaction and about 2-5 parts of a water-soluble I pelled and the fungicide substances,therefore, are liquid polyvalent alcohol ester having a boiling prevented from dissolving. By the presence or point above 125 C. and the property or binding the water-soluble organic substances the solubilor laying dust, the rest 0! the composition being I ity of thematerials having the action 01' a iungian inert diluent. cide is at the same time increased on access of '4. Adry dressing composition comprising about water in the soil, so that an increased activity 3-8 parts of a compound a fungicidal oi the dressing substances is attained. action, and about 2-5 parts or a water-soluble Dry dressing substances which do not emit dust liquid divalent alcohol having a boiling point 3. and have agoo'd action are prepared, for instance, above 125 C. and the property or binding or layfrom 4% or phenylarsine oxide, 93.5% of talcum ing dust, the rest of the composition being an and 2.5% 01' 1.3-butylene-glycol or by grinding inert diluent. A together 3 parts or phenyl-mercury acetate, 93 5. Adrydressing composition comprising about parts of talcum and 4 parts of ethyl glycol. 3-8 parts of a compound i a a fungicidal Other mixtures suitable as dry dressing materials action and about 2-5 parts of a water-soluble consist, for instance, ot 97% 0! Gucci and 3% liquid divalent alcohol ester havinga boiling point of glycol or 8% oi mercury chloride, 5% or glycolabove 125 C. and the property of binding or mono-acetate and 87% of a mixture of equal laying dust, the rest of the composition being 40 parts of prepared chalk and silicic acid. an inert diluent. I

Other substances 2 to 5% of which may be added 6. A composition of matter comprising about to drydressing materials are, for instance, glycer- 4 parts of phenylarsine oxide, about 2.5 parts oi. ine, glycol, glycol-mono-acetate, butyl-glycol, di- 1.3-'butyleneglycol and about 93.5 parts of talc. acetone-alcohol CHa.CO.CH2.C(OH) (CHa)a, gly- 7. A composition of matter comprising about col-diacetate, mono-hydroxy-acetone, 1.3-propyl- 8 Darts of mercury chloride. 5 parts of glycolene-glycol, chlorhydrine. chloro-propionic acid mono-acetate and 8'! parts ota'mixture of equal and ethyl-formamide. parts of prepared chalk and silicic acid.

2 to 5% f th s and similar su stances are 8. A composition or matter comprising about 3 added to the usual substances having the action parts or phenyimercury-acetate, about 4 parts I.

of a fungicide and suitable for dry dressing seeds, or ethyl-glycol and about 93 parts of talc. or they are added to mixtures of these substances" with indiflerent extenders, such as talcum, kiesei- ADOLF B'I'EINDORM'.- guhr etc., whereby the advantages above de HEINRICH 8638m- 5g scribed are attained. mm ppm, I 

